#3F289A#3F289A

#3F289A is a dark, vivid violet. Relative luminance 0.049; OKLCH L 38.4% C 0.173 H 283.9°. Best body text is #FFFFFF at 10.60:1 contrast (WCAG AA passes).

Color values

HEX	#3F289A
RGB	rgb(63, 40, 154)
HSL	hsl(252, 59%, 38%)
HSV	hsv(252, 74%, 60%)
CMYK	cmyk(59.1%, 74%, 0%, 39.6%)
CIE-LAB	lab(26.47, 41.76, -58.43)
CIE-LCH	lch(26.47, 71.82, 305.55°)
OKLab	oklab(38.45% 0.0417 -0.1683)
OKLCH	oklch(38.45% 0.173 283.9)
XYZ	xyz(8.6396, 4.9069, 31.0574)
Luminance	0.0491 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F289A #839A28

analogous

#284A9A #3F289A #78289A

triadic

#3F289A #9A3F28 #289A3F

tetradic

#3F289A #9A284A #839A28 #289A78

square

#3F289A #9A284A #839A28 #289A78

split-complementary

#3F289A #9A7828 #4A9A28

monochromatic

#170F39 #2B1B69 #3F289A #5335CA #7C65D7

Accessibility & contrast

On white

10.60

#3F289A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.98

#3F289A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F289A

10.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F289A	#FFFFFF	#000000	##FFFFFF
##3F289A	1.00	10.60	1.98	10.60
#FFFFFF	10.60	1.00	21.00	1.00
#000000	1.98	21.00	1.00	21.00
##FFFFFF	10.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00429D

Deuteranopia (green-blind)

#003B98

Tritanopia (blue-blind)

#0A475E

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #3f289a;
/* rgb */ color: rgb(63, 40, 154);
/* oklch */ color: oklch(38.4% 0.173 283.9);

Tailwind

colors: {
  custom: {
    50: '#7f65b9',
    500: '#3f289a',
    950: '#000000',
  },
}

SCSS

$custom: #3f289a;
$custom-light: #7f65b9;
$custom-dark: #000000;

JSON

{
  "hex": "#3f289a",
  "rgb": {
    "r": 63,
    "g": 40,
    "b": 154
  },
  "hsl": {
    "h": 252.105,
    "s": 58.763,
    "l": 38.039
  },
  "oklch": {
    "l": 0.38445,
    "c": 0.17341,
    "h": 283.9
  },
  "luminance": 0.04907
}

Semantic roles & 50–950 ramp

primary

#3F289A

secondary

#AABD61

accent

#E246C2

background

#F8F6FB

surface

#EFEBF6

border

#CAC6D0

text

#0B0612

muted

#7C7A81

Preview Lab

Preview with #3F289A

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →